It might have been the blacks who told the Chinese and Indians explorers.........that there was an enormous land mass on the other side of Africa............the Americas.........

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Angkor was not the only significant kingdom of its time in Southeast Asia. Another major Southeast Asian power and sometimes rival of Angkor was the kingdom of Champa. Champa was the great kingdom of the Blacks on the coast of Southeast Asia in central Vietnam. Indeed, the facial characteristics on the statues of the Cham are as Africoid as anywhere, including full lips and broad noses.

The Cham are believed to have settled along the coastal plains of central Vietnam (Annam) more than two millennia ago. The economy of Champa was based on agriculture and maritime trade. They exported rice and forest products, including sandalwood, and essentially dominated the area from about the fourth century through the 13th century.